Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

"The James Webb Space Telescope has been truly revolutionary ... Breaking space news, the latest updates on rocket launches, skywatching events and more!

A stunning corner of the cosmos was recently revealed by the James Webb Space Telescope, and astronomers think the find will unveil more about the mysteries of both star and planet formation.

The James Webb Space Telescope was squeezed inside the nose cone of an Ariane 5 rocket and then launched. It deployed its mirror and shade on its way to its home at the sun-Earth L2 Lagrange point.

Contained within a small galaxy located 5.3 million light-years away are ... an image of which the James Webb Telescope recently captured in extraordinary detail in the constellation Leo.

The James Webb Space Telescope has zoomed in on Leo P, a tiny galaxy with some big things to say about star formation. In a rare "time-critical" decision, the James Webb Space Telescope will study ...